<template>
  <div class="login-container">
    <!-- 头部的 logo 区域 -->
    <div class="header">
      <img src="../../assets/images/logo.png" alt="" />
    </div>

    <!-- 登录和注册区域 -->
    <div class="box">
      <div class="box-header"></div>
      <!-- 登录的表单 -->
      <el-form :model="loginFrom" :rules="loginRule" ref="loginRef">
        <el-form-item prop="username">
          <el-input
            placeholder="请输入用户名"
            maxlength="10"
            prefix-icon="el-icon-user"
            v-model="loginFrom.username"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码"
            maxlength="15"
            type="password"
            prefix-icon="el-icon-lock"
            v-model="loginFrom.password"
          ></el-input>
        </el-form-item>
        <el-button type="primary" class="btn-login" @click="login"
          >登录</el-button
        >
        <el-link type="info" class="link-reg" @click="$router.push('/reg')">去注册账号</el-link>
      </el-form>
    </div>
  </div>
</template>

<script>
import { regLogin } from '@/api/login'
export default {
  name: '',
  data () {
    return {
      loginFrom: {
        username: '',
        password: ''
      },
      loginRule: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: '用户名必须是1-10位的字母数字',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码必须是6-15位的非空字符串',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created () {},
  computed: {},
  methods: {
    login () {
      this.$refs.loginRef.validate(async (val) => {
        if (val) {
          const { data } = await regLogin(this.loginFrom)
          // this.$axios({
          //   url: '/api/login',
          //   method: 'post',
          //   data: this.loginFrom
          // })
          if (data.code === 0) {
            this.$message({
              message: '登陆成功',
              type: 'success'
            })
            sessionStorage.setItem('token', data.token)
            this.$router.push('/')
          } else {
            this.$message.error(data.message)
          }
        } else {
          this.$message({
            message: '登录失败',
            type: 'error'
          })
        }
      })
    }
  }
}
</script>
<style lang='less'  scoped>
.login-container {
  width: 100vw;
  height: 100vh;
  background: url('../../assets/images/login_bg.jpg') no-repeat center / cover;

  .header {
    width: 1200px;
    margin: 0 auto;
    user-select: none;
  }

  .box {
    width: 400px;
    height: 270px;
    background-color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 3px;
    box-shadow: 0 1px 15px rgba(0, 0, 0, 0.2);
    padding: 0 30px;
    box-sizing: border-box;

    .box-header {
      height: 60px;
      background: url('../../assets/images/login_title.png') no-repeat center;
    }

    .btn-login {
      width: 100%;
    }

    .link-reg {
      font-size: 12px;
    }
  }
}
</style>
